Automated analysis of polar pesticides i
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Noij, Theo H. M. ;van der Kooi, Margo M. E.
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Article
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1995
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John Wiley and Sons
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English
⚖ 505 KB
## Abstract In order to meet the requirements of analyzing very low concentrations of pesticides in water (typically at 0.1 μg/l or less), samples have to be concentrated prior to GC‐analysis. Samplie pre‐concentration by off‐line methods based on solid phase extraction (SPE) or liquid‐liquid extra